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GHSA-4993-m7g5-r9hh

etcd has no minimum password length

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-15115

Packages

EcosystemPackageAffectedFixed in
Go go.etcd.io/etcd/client/v3 >= 3.4.0, < 3.4.10 3.4.10
Go go.etcd.io/etcd/client/v3 < 3.3.23 3.3.23

Details

As written in the advisory (Markdown source, shown as plain text).

### Vulnerability type Access Control ### Workarounds The etcdctl and etcd API do not enforce a specific password length during user creation or user password update operations. [It is the responsibility of the administrator to enforce these requirements](https://github.com/etcd-io/etcd/blob/master/Documentation/op-guide/authentication.md#notes-on-password-strength). ### Detail etcd does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users’ passwords with little computational effort. ### References Find out more on this vulnerability in the [security audit report](https://github.com/etcd-io/etcd/blob/master/security/SECURITY_AUDIT.pdf) ### For more information If you have any questions or comments about this advisory: * Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/master/security/security-release-process.md#product-security-committee-psc)

References

External links from the advisory. They lead to third-party sites.